Mouthpiece



FIG. 1 is a top perspective view of a mouthpiece, illustrating the mouthpiece attached to an exemplifying bottle;

FIG. 2 is a top front perspective view of the mouthpiece shown in FIG. 1;

FIG. 3 is a top rear perspective view of the mouthpiece shown in FIG. 1;

FIG. 4 is a front view of the mouthpiece shown in FIG. 1;

FIG. 5 is a rear view of the mouthpiece shown in FIG. 1;

FIG. 6 is a left side view of the mouthpiece shown in FIG. 1;

FIG. 7 is a right side view of the mouthpiece shown in FIG. 1;

FIG. 8 is a top view of the mouthpiece shown in FIG. 1; and,

FIG. 9 is a bottom view of the mouthpiece shown in FIG. 1.

The broken lines are shown for the purpose of illustrating environmental structure and parts of the article that form no part of the claimed design. 

CLAIM The ornamental design for a mouthpiece, as shown and described. 